   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  1.000   1.000   2.000   1.528   2.000   2.000 
group_1
  2   3   5 
213 217 214 
Iteration: 1, Log-Lik: -1615.292, Max-Change: 0.98733Iteration: 2, Log-Lik: -1537.285, Max-Change: 0.30911Iteration: 3, Log-Lik: -1524.121, Max-Change: 0.22081Iteration: 4, Log-Lik: -1520.128, Max-Change: 0.15584Iteration: 5, Log-Lik: -1518.675, Max-Change: 0.10896Iteration: 6, Log-Lik: -1518.069, Max-Change: 0.07741Iteration: 7, Log-Lik: -1517.572, Max-Change: 0.04107Iteration: 8, Log-Lik: -1517.514, Max-Change: 0.03402Iteration: 9, Log-Lik: -1517.478, Max-Change: 0.02855Iteration: 10, Log-Lik: -1517.416, Max-Change: 0.00902Iteration: 11, Log-Lik: -1517.415, Max-Change: 0.00781Iteration: 12, Log-Lik: -1517.414, Max-Change: 0.00708Iteration: 13, Log-Lik: -1517.411, Max-Change: 0.00329Iteration: 14, Log-Lik: -1517.411, Max-Change: 0.00262Iteration: 15, Log-Lik: -1517.411, Max-Change: 0.00191Iteration: 16, Log-Lik: -1517.411, Max-Change: 0.00132Iteration: 17, Log-Lik: -1517.411, Max-Change: 0.00119Iteration: 18, Log-Lik: -1517.411, Max-Change: 0.00107Iteration: 19, Log-Lik: -1517.410, Max-Change: 0.00040Iteration: 20, Log-Lik: -1517.410, Max-Change: 0.00038Iteration: 21, Log-Lik: -1517.410, Max-Change: 0.00037Iteration: 22, Log-Lik: -1517.410, Max-Change: 0.00027Iteration: 23, Log-Lik: -1517.410, Max-Change: 0.00028Iteration: 24, Log-Lik: -1517.410, Max-Change: 0.00025Iteration: 25, Log-Lik: -1517.410, Max-Change: 0.00024Iteration: 26, Log-Lik: -1517.410, Max-Change: 0.00022Iteration: 27, Log-Lik: -1517.410, Max-Change: 0.00021Iteration: 28, Log-Lik: -1517.410, Max-Change: 0.00019Iteration: 29, Log-Lik: -1517.410, Max-Change: 0.00019Iteration: 30, Log-Lik: -1517.410, Max-Change: 0.00017Iteration: 31, Log-Lik: -1517.410, Max-Change: 0.00017Iteration: 32, Log-Lik: -1517.410, Max-Change: 0.00015Iteration: 33, Log-Lik: -1517.410, Max-Change: 0.00015Iteration: 34, Log-Lik: -1517.410, Max-Change: 0.00013Iteration: 35, Log-Lik: -1517.410, Max-Change: 0.00013Iteration: 36, Log-Lik: -1517.410, Max-Change: 0.00012Iteration: 37, Log-Lik: -1517.410, Max-Change: 0.00012Iteration: 38, Log-Lik: -1517.410, Max-Change: 0.00011Iteration: 39, Log-Lik: -1517.410, Max-Change: 0.00010Iteration: 40, Log-Lik: -1517.410, Max-Change: 0.00009

Call:
multipleGroup(data = irt_data_1, model = 1, group = group_1)

Full-information item factor analysis with 1 factor(s).
Converged within 1e-04 tolerance after 40 EM iterations.
mirt version: 1.41 
M-step optimizer: BFGS 
EM acceleration: Ramsay 
Number of rectangular quadrature: 61
Latent density type: Gaussian 

Log-likelihood = -1517.41
Estimated parameters: 24 
AIC = 3082.82
BIC = 3190.045; SABIC = 3113.846
G2 (21) = 33.02, p = 0.046
RMSEA = 0.03, CFI = NaN, TLI = NaN

----------
GROUP: Boy  
                F1    h2
Independence 0.738 0.544
Obedience    0.639 0.408
Curiosity    0.808 0.653
Considerate  0.591 0.349

SS loadings:  1.954 
Proportion Var:  0.489 

Factor correlations: 

   F1
F1  1

----------
GROUP: Control 
                F1    h2
Independence 0.599 0.359
Obedience    0.690 0.475
Curiosity    0.567 0.321
Considerate  0.447 0.200

SS loadings:  1.355 
Proportion Var:  0.339 

Factor correlations: 

   F1
F1  1

----------
GROUP: Girl 
                F1    h2
Independence 0.561 0.315
Obedience    0.391 0.153
Curiosity    0.773 0.597
Considerate  0.733 0.537

SS loadings:  1.603 
Proportion Var:  0.401 

Factor correlations: 

   F1
F1  1
            M2 df          p      RMSEA    RMSEA_5   RMSEA_95 SRMSR.Boy. SRMSR.Control SRMSR.Girl
stats 14.89916  6 0.02105567 0.04802789 0.01729447 0.07926942 0.01806867    0.07523583 0.04622534
            TLI       CFI
stats 0.8869174 0.9623058
Iteration: 1, Log-Lik: -1615.292, Max-Change: 1.01120Iteration: 2, Log-Lik: -1539.508, Max-Change: 0.26770Iteration: 3, Log-Lik: -1527.606, Max-Change: 0.13344Iteration: 4, Log-Lik: -1524.320, Max-Change: 0.09682Iteration: 5, Log-Lik: -1523.247, Max-Change: 0.06755Iteration: 6, Log-Lik: -1522.860, Max-Change: 0.04707Iteration: 7, Log-Lik: -1522.634, Max-Change: 0.02464Iteration: 8, Log-Lik: -1522.601, Max-Change: 0.01801Iteration: 9, Log-Lik: -1522.582, Max-Change: 0.01378Iteration: 10, Log-Lik: -1522.559, Max-Change: 0.00421Iteration: 11, Log-Lik: -1522.558, Max-Change: 0.00347Iteration: 12, Log-Lik: -1522.557, Max-Change: 0.00295Iteration: 13, Log-Lik: -1522.556, Max-Change: 0.00089Iteration: 14, Log-Lik: -1522.556, Max-Change: 0.00023Iteration: 15, Log-Lik: -1522.556, Max-Change: 0.00020Iteration: 16, Log-Lik: -1522.556, Max-Change: 0.00065Iteration: 17, Log-Lik: -1522.556, Max-Change: 0.00044Iteration: 18, Log-Lik: -1522.556, Max-Change: 0.00030Iteration: 19, Log-Lik: -1522.556, Max-Change: 0.00022Iteration: 20, Log-Lik: -1522.556, Max-Change: 0.00003

Call:
multipleGroup(data = irt_data_1, model = 1, group = group_1, 
    invariance = c("slopes"))

Full-information item factor analysis with 1 factor(s).
Converged within 1e-04 tolerance after 20 EM iterations.
mirt version: 1.41 
M-step optimizer: BFGS 
EM acceleration: Ramsay 
Number of rectangular quadrature: 61
Latent density type: Gaussian 

Log-likelihood = -1522.556
Estimated parameters: 24 
AIC = 3077.112
BIC = 3148.595; SABIC = 3097.796
G2 (29) = 43.31, p = 0.0426
RMSEA = 0.028, CFI = NaN, TLI = NaN

----------
GROUP: Boy  
                F1    h2
Independence 0.666 0.444
Obedience    0.596 0.355
Curiosity    0.723 0.522
Considerate  0.558 0.312

SS loadings:  1.632 
Proportion Var:  0.408 

Factor correlations: 

   F1
F1  1

----------
GROUP: Control 
                F1    h2
Independence 0.666 0.444
Obedience    0.596 0.355
Curiosity    0.723 0.522
Considerate  0.558 0.312

SS loadings:  1.632 
Proportion Var:  0.408 

Factor correlations: 

   F1
F1  1

----------
GROUP: Girl 
                F1    h2
Independence 0.666 0.444
Obedience    0.596 0.355
Curiosity    0.723 0.522
Considerate  0.558 0.312

SS loadings:  1.632 
Proportion Var:  0.408 

Factor correlations: 

   F1
F1  1
            M2 df          p      RMSEA    RMSEA_5   RMSEA_95 SRMSR.Boy. SRMSR.Control SRMSR.Girl
stats 26.06012 14 0.02543509 0.03660213 0.01262119 0.05813592 0.05474527    0.09375132 0.06780139
            TLI       CFI
stats 0.9343218 0.9489169
Iteration: 1, Log-Lik: -1615.292, Max-Change: 0.43846Iteration: 2, Log-Lik: -1590.260, Max-Change: 0.34415Iteration: 3, Log-Lik: -1579.669, Max-Change: 0.24541Iteration: 4, Log-Lik: -1575.583, Max-Change: 0.18759Iteration: 5, Log-Lik: -1573.939, Max-Change: 0.15931Iteration: 6, Log-Lik: -1573.195, Max-Change: 0.13586Iteration: 7, Log-Lik: -1572.395, Max-Change: 0.09777Iteration: 8, Log-Lik: -1572.242, Max-Change: 0.09333Iteration: 9, Log-Lik: -1572.110, Max-Change: 0.08964Iteration: 10, Log-Lik: -1571.572, Max-Change: 0.07398Iteration: 11, Log-Lik: -1571.524, Max-Change: 0.06858Iteration: 12, Log-Lik: -1571.484, Max-Change: 0.06360Iteration: 13, Log-Lik: -1571.304, Max-Change: 0.03904Iteration: 14, Log-Lik: -1571.286, Max-Change: 0.03887Iteration: 15, Log-Lik: -1571.270, Max-Change: 0.03671Iteration: 16, Log-Lik: -1571.194, Max-Change: 0.03055Iteration: 17, Log-Lik: -1571.185, Max-Change: 0.03987Iteration: 18, Log-Lik: -1571.176, Max-Change: 0.03132Iteration: 19, 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-1571.002, Max-Change: 0.02177Iteration: 38, Log-Lik: -1570.998, Max-Change: 0.01679Iteration: 39, Log-Lik: -1570.997, Max-Change: 0.01793Iteration: 40, Log-Lik: -1570.988, Max-Change: 0.01789Iteration: 41, Log-Lik: -1570.986, Max-Change: 0.01348Iteration: 42, Log-Lik: -1570.985, Max-Change: 0.01353Iteration: 43, Log-Lik: -1570.979, Max-Change: 0.01423Iteration: 44, Log-Lik: -1570.978, Max-Change: 0.01440Iteration: 45, Log-Lik: -1570.977, Max-Change: 0.01663Iteration: 46, Log-Lik: -1570.972, Max-Change: 0.00461Iteration: 47, Log-Lik: -1570.971, Max-Change: 0.01043Iteration: 48, Log-Lik: -1570.970, Max-Change: 0.01296Iteration: 49, Log-Lik: -1570.967, Max-Change: 0.01359Iteration: 50, Log-Lik: -1570.966, Max-Change: 0.00960Iteration: 51, Log-Lik: -1570.966, Max-Change: 0.01376Iteration: 52, Log-Lik: -1570.964, Max-Change: 0.01208Iteration: 53, Log-Lik: -1570.963, Max-Change: 0.00354Iteration: 54, Log-Lik: -1570.963, Max-Change: 0.01024Iteration: 55, Log-Lik: -1570.962, 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Call:
multipleGroup(data = irt_data_1, model = 1, group = group_1, 
    invariance = c("intercepts"))

Full-information item factor analysis with 1 factor(s).
Converged within 1e-04 tolerance after 385 EM iterations.
mirt version: 1.41 
M-step optimizer: BFGS 
EM acceleration: Ramsay 
Number of rectangular quadrature: 61
Latent density type: Gaussian 

Log-likelihood = -1570.947
Estimated parameters: 24 
AIC = 3173.893
BIC = 3245.377; SABIC = 3194.577
G2 (29) = 140.09, p = 0
RMSEA = 0.077, CFI = NaN, TLI = NaN

----------
GROUP: Boy  
                F1    h2
Independence 0.597 0.356
Obedience    0.950 0.903
Curiosity    0.657 0.432
Considerate  0.560 0.314

SS loadings:  2.005 
Proportion Var:  0.501 

Factor correlations: 

   F1
F1  1

----------
GROUP: Control 
                F1    h2
Independence 0.426 0.182
Obedience    0.953 0.908
Curiosity    0.349 0.122
Considerate  0.467 0.218

SS loadings:  1.43 
Proportion Var:  0.358 

Factor correlations: 

   F1
F1  1

----------
GROUP: Girl 
                F1    h2
Independence 0.761 0.579
Obedience    0.426 0.181
Curiosity    0.764 0.584
Considerate  0.675 0.456

SS loadings:  1.8 
Proportion Var:  0.45 

Factor correlations: 

   F1
F1  1
           M2 df p     RMSEA    RMSEA_5  RMSEA_95 SRMSR.Boy. SRMSR.Control SRMSR.Girl       TLI
stats 118.988 14 0 0.1079942 0.09049697 0.1262096 0.08746885     0.0909596 0.07861256 0.4282457
            CFI
stats 0.5553022
                      AIC    SABIC       HQ      BIC    logLik      X2 df p
mod_metricb_1    3173.893 3194.577 3201.632 3245.377 -1570.947             
mod_configural_1 3082.820 3113.846 3124.428 3190.045 -1517.410 107.073  8 0
                      AIC    SABIC       HQ      BIC    logLik     X2 df     p
mod_metric_1     3077.112 3097.796 3104.850 3148.595 -1522.556                
mod_configural_1 3082.820 3113.846 3124.428 3190.045 -1517.410 10.292  8 0.245
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Max-Change: 0.00131Iteration: 56, Log-Lik: -1534.915, Max-Change: 0.00106Iteration: 57, Log-Lik: -1534.914, Max-Change: 0.00096Iteration: 58, Log-Lik: -1534.913, Max-Change: 0.00089Iteration: 59, Log-Lik: -1534.913, Max-Change: 0.00083Iteration: 60, Log-Lik: -1534.912, Max-Change: 0.00083Iteration: 61, Log-Lik: -1534.912, Max-Change: 0.00107Iteration: 62, Log-Lik: -1534.911, Max-Change: 0.00081Iteration: 63, Log-Lik: -1534.910, Max-Change: 0.00074Iteration: 64, Log-Lik: -1534.910, Max-Change: 0.00068Iteration: 65, Log-Lik: -1534.909, Max-Change: 0.00064Iteration: 66, Log-Lik: -1534.909, Max-Change: 0.00064Iteration: 67, Log-Lik: -1534.909, Max-Change: 0.00086Iteration: 68, Log-Lik: -1534.908, Max-Change: 0.00062Iteration: 69, Log-Lik: -1534.908, Max-Change: 0.00057Iteration: 70, Log-Lik: -1534.907, Max-Change: 0.00052Iteration: 71, Log-Lik: -1534.907, Max-Change: 0.00049Iteration: 72, Log-Lik: -1534.907, Max-Change: 0.00050Iteration: 73, Log-Lik: -1534.907, Max-Change: 0.00068Iteration: 74, Log-Lik: -1534.906, Max-Change: 0.00048Iteration: 75, Log-Lik: -1534.906, Max-Change: 0.00044Iteration: 76, Log-Lik: -1534.906, Max-Change: 0.00041Iteration: 77, Log-Lik: -1534.906, Max-Change: 0.00039Iteration: 78, Log-Lik: -1534.906, Max-Change: 0.00039Iteration: 79, Log-Lik: -1534.906, Max-Change: 0.00054Iteration: 80, Log-Lik: -1534.906, Max-Change: 0.00037Iteration: 81, Log-Lik: -1534.905, Max-Change: 0.00034Iteration: 82, Log-Lik: -1534.905, Max-Change: 0.00031Iteration: 83, Log-Lik: -1534.905, Max-Change: 0.00029Iteration: 84, Log-Lik: -1534.905, Max-Change: 0.00030Iteration: 85, Log-Lik: -1534.905, Max-Change: 0.00043Iteration: 86, Log-Lik: -1534.905, Max-Change: 0.00029Iteration: 87, Log-Lik: -1534.905, Max-Change: 0.00026Iteration: 88, Log-Lik: -1534.905, Max-Change: 0.00025Iteration: 89, Log-Lik: -1534.905, Max-Change: 0.00023Iteration: 90, Log-Lik: -1534.905, Max-Change: 0.00023Iteration: 91, Log-Lik: -1534.905, Max-Change: 0.00033Iteration: 92, Log-Lik: -1534.905, Max-Change: 0.00022Iteration: 93, Log-Lik: -1534.905, Max-Change: 0.00021Iteration: 94, Log-Lik: -1534.905, Max-Change: 0.00019Iteration: 95, Log-Lik: -1534.904, Max-Change: 0.00018Iteration: 96, Log-Lik: -1534.904, Max-Change: 0.00017Iteration: 97, Log-Lik: -1534.904, Max-Change: 0.00026Iteration: 98, Log-Lik: -1534.904, Max-Change: 0.00017Iteration: 99, Log-Lik: -1534.904, Max-Change: 0.00016Iteration: 100, Log-Lik: -1534.904, Max-Change: 0.00015Iteration: 101, Log-Lik: -1534.904, Max-Change: 0.00014Iteration: 102, Log-Lik: -1534.904, Max-Change: 0.00014Iteration: 103, Log-Lik: -1534.904, Max-Change: 0.00021Iteration: 104, Log-Lik: -1534.904, Max-Change: 0.00013Iteration: 105, Log-Lik: -1534.904, Max-Change: 0.00012Iteration: 106, Log-Lik: -1534.904, Max-Change: 0.00011Iteration: 107, Log-Lik: -1534.904, Max-Change: 0.00011Iteration: 108, Log-Lik: -1534.904, Max-Change: 0.00012Iteration: 109, Log-Lik: -1534.904, Max-Change: 0.00015Iteration: 110, Log-Lik: -1534.904, Max-Change: 0.00010Iteration: 111, Log-Lik: -1534.904, Max-Change: 0.00009

Call:
multipleGroup(data = irt_data_1, model = 1, group = group_1, 
    invariance = c("slopes", "intercepts", "free_var", "free_means"))

Full-information item factor analysis with 1 factor(s).
Converged within 1e-04 tolerance after 111 EM iterations.
mirt version: 1.41 
M-step optimizer: nlminb 
EM acceleration: Ramsay 
Number of rectangular quadrature: 61
Latent density type: Gaussian 

Log-likelihood = -1534.904
Estimated parameters: 28 
AIC = 3093.808
BIC = 3147.421; SABIC = 3109.321
G2 (33) = 68.01, p = 3e-04
RMSEA = 0.041, CFI = NaN, TLI = NaN

----------
GROUP: Boy  
                F1    h2
Independence 0.803 0.645
Obedience    0.743 0.552
Curiosity    0.677 0.458
Considerate  0.541 0.293

SS loadings:  1.949 
Proportion Var:  0.487 

Factor correlations: 

   F1
F1  1

----------
GROUP: Control 
                F1    h2
Independence 0.685 0.469
Obedience    0.612 0.375
Curiosity    0.540 0.291
Considerate  0.410 0.168

SS loadings:  1.303 
Proportion Var:  0.326 

Factor correlations: 

   F1
F1  1

----------
GROUP: Girl 
                F1    h2
Independence 0.692 0.478
Obedience    0.619 0.383
Curiosity    0.547 0.299
Considerate  0.416 0.173

SS loadings:  1.333 
Proportion Var:  0.333 

Factor correlations: 

   F1
F1  1
            M2 df            p      RMSEA    RMSEA_5   RMSEA_95 SRMSR.Boy. SRMSR.Control
stats 50.93772 18 5.439145e-05 0.05334639 0.03637975 0.07084127 0.05558265    0.07832952
      SRMSR.Girl       TLI       CFI
stats 0.09992184 0.8604857 0.8604857
                      AIC    SABIC       HQ      BIC    logLik     X2 df p
mod_scalar2_1    3093.808 3109.321 3114.612 3147.421 -1534.904            
mod_configural_1 3082.820 3113.846 3124.428 3190.045 -1517.410 34.988 12 0
Iteration: 1, Log-Lik: -1615.292, Max-Change: 0.27492Iteration: 2, Log-Lik: -1594.924, Max-Change: 0.19453Iteration: 3, Log-Lik: -1588.029, Max-Change: 0.12598Iteration: 4, Log-Lik: -1585.829, Max-Change: 0.08427Iteration: 5, Log-Lik: -1584.887, Max-Change: 0.06056Iteration: 6, Log-Lik: -1584.319, Max-Change: 0.04656Iteration: 7, Log-Lik: -1583.719, Max-Change: 0.05291Iteration: 8, Log-Lik: -1583.364, Max-Change: 0.03970Iteration: 9, Log-Lik: -1583.110, Max-Change: 0.03261Iteration: 10, Log-Lik: -1582.858, Max-Change: 0.03536Iteration: 11, Log-Lik: -1582.625, Max-Change: 0.02654Iteration: 12, Log-Lik: -1582.465, Max-Change: 0.02205Iteration: 13, Log-Lik: -1582.303, Max-Change: 0.02398Iteration: 14, Log-Lik: -1582.162, Max-Change: 0.01865Iteration: 15, Log-Lik: -1582.057, Max-Change: 0.01655Iteration: 16, Log-Lik: -1581.950, Max-Change: 0.02325Iteration: 17, Log-Lik: -1581.838, Max-Change: 0.01714Iteration: 18, Log-Lik: -1581.764, Max-Change: 0.01470Iteration: 19, Log-Lik: -1581.690, Max-Change: 0.01672Iteration: 20, Log-Lik: -1581.628, Max-Change: 0.01365Iteration: 21, Log-Lik: -1581.578, Max-Change: 0.01223Iteration: 22, Log-Lik: -1581.537, Max-Change: 0.01952Iteration: 23, Log-Lik: -1581.461, Max-Change: 0.01341Iteration: 24, Log-Lik: -1581.422, Max-Change: 0.01093Iteration: 25, Log-Lik: -1581.389, Max-Change: 0.01022Iteration: 26, Log-Lik: -1581.362, Max-Change: 0.00908Iteration: 27, Log-Lik: -1581.338, Max-Change: 0.00840Iteration: 28, Log-Lik: -1581.319, Max-Change: 0.01385Iteration: 29, Log-Lik: -1581.279, Max-Change: 0.00954Iteration: 30, Log-Lik: -1581.259, Max-Change: 0.00772Iteration: 31, Log-Lik: -1581.243, Max-Change: 0.00701Iteration: 32, Log-Lik: -1581.230, Max-Change: 0.00629Iteration: 33, Log-Lik: -1581.218, Max-Change: 0.00584Iteration: 34, Log-Lik: -1581.208, Max-Change: 0.00954Iteration: 35, Log-Lik: -1581.188, Max-Change: 0.00663Iteration: 36, Log-Lik: -1581.178, Max-Change: 0.00538Iteration: 37, Log-Lik: -1581.170, Max-Change: 0.00486Iteration: 38, Log-Lik: -1581.164, Max-Change: 0.00438Iteration: 39, Log-Lik: -1581.158, Max-Change: 0.00406Iteration: 40, Log-Lik: -1581.153, Max-Change: 0.00659Iteration: 41, Log-Lik: -1581.143, Max-Change: 0.00461Iteration: 42, Log-Lik: -1581.138, Max-Change: 0.00375Iteration: 43, Log-Lik: -1581.134, Max-Change: 0.00338Iteration: 44, Log-Lik: -1581.131, Max-Change: 0.00305Iteration: 45, Log-Lik: -1581.128, Max-Change: 0.00284Iteration: 46, Log-Lik: -1581.125, Max-Change: 0.00456Iteration: 47, Log-Lik: -1581.120, Max-Change: 0.00322Iteration: 48, Log-Lik: -1581.118, Max-Change: 0.00262Iteration: 49, Log-Lik: -1581.116, Max-Change: 0.00236Iteration: 50, Log-Lik: -1581.114, Max-Change: 0.00213Iteration: 51, Log-Lik: -1581.113, Max-Change: 0.00198Iteration: 52, Log-Lik: -1581.112, Max-Change: 0.00318Iteration: 53, Log-Lik: -1581.109, Max-Change: 0.00225Iteration: 54, Log-Lik: -1581.108, Max-Change: 0.00184Iteration: 55, Log-Lik: -1581.107, Max-Change: 0.00166Iteration: 56, Log-Lik: -1581.106, Max-Change: 0.00150Iteration: 57, Log-Lik: -1581.105, Max-Change: 0.00139Iteration: 58, Log-Lik: -1581.105, Max-Change: 0.00224Iteration: 59, Log-Lik: -1581.103, Max-Change: 0.00159Iteration: 60, Log-Lik: -1581.103, Max-Change: 0.00129Iteration: 61, Log-Lik: -1581.102, Max-Change: 0.00116Iteration: 62, Log-Lik: -1581.102, Max-Change: 0.00105Iteration: 63, Log-Lik: -1581.102, Max-Change: 0.00097Iteration: 64, Log-Lik: -1581.101, Max-Change: 0.00156Iteration: 65, Log-Lik: -1581.101, Max-Change: 0.00111Iteration: 66, Log-Lik: -1581.100, Max-Change: 0.00091Iteration: 67, Log-Lik: -1581.100, Max-Change: 0.00082Iteration: 68, Log-Lik: -1581.100, Max-Change: 0.00074Iteration: 69, Log-Lik: -1581.100, Max-Change: 0.00069Iteration: 70, Log-Lik: -1581.100, Max-Change: 0.00110Iteration: 71, Log-Lik: -1581.099, Max-Change: 0.00078Iteration: 72, Log-Lik: -1581.099, Max-Change: 0.00064Iteration: 73, Log-Lik: -1581.099, Max-Change: 0.00058Iteration: 74, Log-Lik: -1581.099, Max-Change: 0.00052Iteration: 75, Log-Lik: -1581.099, Max-Change: 0.00049Iteration: 76, Log-Lik: -1581.099, Max-Change: 0.00078Iteration: 77, Log-Lik: -1581.099, Max-Change: 0.00055Iteration: 78, Log-Lik: -1581.098, Max-Change: 0.00045Iteration: 79, Log-Lik: -1581.098, Max-Change: 0.00041Iteration: 80, Log-Lik: -1581.098, Max-Change: 0.00037Iteration: 81, Log-Lik: -1581.098, Max-Change: 0.00034Iteration: 82, Log-Lik: -1581.098, Max-Change: 0.00056Iteration: 83, Log-Lik: -1581.098, Max-Change: 0.00039Iteration: 84, Log-Lik: -1581.098, Max-Change: 0.00032Iteration: 85, Log-Lik: -1581.098, Max-Change: 0.00029Iteration: 86, Log-Lik: -1581.098, Max-Change: 0.00026Iteration: 87, Log-Lik: -1581.098, Max-Change: 0.00024Iteration: 88, Log-Lik: -1581.098, Max-Change: 0.00039Iteration: 89, Log-Lik: -1581.098, Max-Change: 0.00027Iteration: 90, Log-Lik: -1581.098, Max-Change: 0.00022Iteration: 91, Log-Lik: -1581.098, Max-Change: 0.00020Iteration: 92, Log-Lik: -1581.098, Max-Change: 0.00018Iteration: 93, Log-Lik: -1581.098, Max-Change: 0.00017Iteration: 94, Log-Lik: -1581.098, Max-Change: 0.00027Iteration: 95, Log-Lik: -1581.098, Max-Change: 0.00020Iteration: 96, Log-Lik: -1581.098, Max-Change: 0.00016Iteration: 97, Log-Lik: -1581.098, Max-Change: 0.00014Iteration: 98, Log-Lik: -1581.098, Max-Change: 0.00013Iteration: 99, Log-Lik: -1581.098, Max-Change: 0.00012Iteration: 100, Log-Lik: -1581.098, Max-Change: 0.00020Iteration: 101, Log-Lik: -1581.098, Max-Change: 0.00014Iteration: 102, Log-Lik: -1581.098, Max-Change: 0.00011Iteration: 103, Log-Lik: -1581.098, Max-Change: 0.00010Iteration: 104, Log-Lik: -1581.098, Max-Change: 0.00009

Call:
multipleGroup(data = irt_data_1, model = 1, group = group_1, 
    invariance = c("slopes", "intercepts", "free_var"))

Full-information item factor analysis with 1 factor(s).
Converged within 1e-04 tolerance after 104 EM iterations.
mirt version: 1.41 
M-step optimizer: nlminb 
EM acceleration: Ramsay 
Number of rectangular quadrature: 61
Latent density type: Gaussian 

Log-likelihood = -1581.098
Estimated parameters: 26 
AIC = 3182.196
BIC = 3226.873; SABIC = 3195.123
G2 (35) = 160.39, p = 0
RMSEA = 0.075, CFI = NaN, TLI = NaN

----------
GROUP: Boy  
                F1    h2
Independence 0.778 0.605
Obedience    0.721 0.519
Curiosity    0.768 0.590
Considerate  0.626 0.392

SS loadings:  2.107 
Proportion Var:  0.527 

Factor correlations: 

   F1
F1  1

----------
GROUP: Control 
                F1    h2
Independence 0.651 0.424
Obedience    0.585 0.342
Curiosity    0.640 0.410
Considerate  0.487 0.237

SS loadings:  1.412 
Proportion Var:  0.353 

Factor correlations: 

   F1
F1  1

----------
GROUP: Girl 
                F1    h2
Independence 0.729 0.532
Obedience    0.667 0.445
Curiosity    0.719 0.517
Considerate  0.569 0.324

SS loadings:  1.817 
Proportion Var:  0.454 

Factor correlations: 

   F1
F1  1
            M2 df p      RMSEA    RMSEA_5  RMSEA_95 SRMSR.Boy. SRMSR.Control SRMSR.Girl     TLI
stats 135.3371 20 0 0.09470306 0.07988047 0.1100485 0.04169288    0.08371039  0.1160275 0.56032
            CFI
stats 0.5114667
                      AIC    SABIC       HQ      BIC    logLik      X2 df p
mod_scalar1_1    3182.196 3195.123 3199.532 3226.873 -1581.098             
mod_configural_1 3082.820 3113.846 3124.428 3190.045 -1517.410 127.375 14 0
Iteration: 1, Log-Lik: -1615.292, Max-Change: 0.27492Iteration: 2, Log-Lik: -1596.214, Max-Change: 0.21057Iteration: 3, Log-Lik: -1588.427, Max-Change: 0.14675Iteration: 4, Log-Lik: -1585.571, Max-Change: 0.09920Iteration: 5, Log-Lik: -1584.532, Max-Change: 0.06688Iteration: 6, Log-Lik: -1584.143, Max-Change: 0.04525Iteration: 7, Log-Lik: -1583.927, Max-Change: 0.02166Iteration: 8, Log-Lik: -1583.901, Max-Change: 0.01491Iteration: 9, Log-Lik: -1583.889, Max-Change: 0.01084Iteration: 10, Log-Lik: -1583.878, Max-Change: 0.00406Iteration: 11, Log-Lik: -1583.877, Max-Change: 0.00305Iteration: 12, Log-Lik: -1583.876, Max-Change: 0.00245Iteration: 13, Log-Lik: -1583.876, Max-Change: 0.00090Iteration: 14, Log-Lik: -1583.876, Max-Change: 0.00014Iteration: 15, Log-Lik: -1583.876, Max-Change: 0.00013Iteration: 16, Log-Lik: -1583.876, Max-Change: 0.00048Iteration: 17, Log-Lik: -1583.876, Max-Change: 0.00005

Call:
multipleGroup(data = irt_data_1, model = 1, group = group_1, 
    invariance = c("slopes", "intercepts"))

Full-information item factor analysis with 1 factor(s).
Converged within 1e-04 tolerance after 17 EM iterations.
mirt version: 1.41 
M-step optimizer: BFGS 
EM acceleration: Ramsay 
Number of rectangular quadrature: 61
Latent density type: Gaussian 

Log-likelihood = -1583.876
Estimated parameters: 24 
AIC = 3183.752
BIC = 3219.493; SABIC = 3194.094
G2 (37) = 165.95, p = 0
RMSEA = 0.074, CFI = NaN, TLI = NaN

----------
GROUP: Boy  
                F1    h2
Independence 0.727 0.529
Obedience    0.672 0.452
Curiosity    0.703 0.494
Considerate  0.559 0.312

SS loadings:  1.787 
Proportion Var:  0.447 

Factor correlations: 

   F1
F1  1

----------
GROUP: Control 
                F1    h2
Independence 0.727 0.529
Obedience    0.672 0.452
Curiosity    0.703 0.494
Considerate  0.559 0.312

SS loadings:  1.787 
Proportion Var:  0.447 

Factor correlations: 

   F1
F1  1

----------
GROUP: Girl 
                F1    h2
Independence 0.727 0.529
Obedience    0.672 0.452
Curiosity    0.703 0.494
Considerate  0.559 0.312

SS loadings:  1.787 
Proportion Var:  0.447 

Factor correlations: 

   F1
F1  1
            M2 df p      RMSEA    RMSEA_5  RMSEA_95 SRMSR.Boy. SRMSR.Control SRMSR.Girl       TLI
stats 140.0758 22 0 0.09136157 0.07717471 0.1060265 0.04366268     0.1115154  0.1147203 0.5907998
            CFI
stats 0.4998664
                         AIC    SABIC       HQ      BIC    logLik      X2 df p
mod_fullconstrain_1 3183.752 3194.094 3197.621 3219.493 -1583.876             
mod_configural_1    3082.820 3113.846 3124.428 3190.045 -1517.410 132.931 16 0
                      AIC    SABIC       HQ      BIC    logLik      X2 df p
mod_metricb_1    3173.893 3194.577 3201.632 3245.377 -1570.947             
mod_configural_1 3082.820 3113.846 3124.428 3190.045 -1517.410 107.073  8 0
                   AIC    SABIC       HQ      BIC    logLik     X2 df p
mod_scalar2_1 3093.808 3109.321 3114.612 3147.421 -1534.904            
mod_metric_1  3077.112 3097.796 3104.850 3148.595 -1522.556 24.696  4 0
                   AIC    SABIC       HQ      BIC    logLik     X2 df p
mod_scalar1_1 3182.196 3195.123 3199.532 3226.873 -1581.098            
mod_scalar2_1 3093.808 3109.321 3114.612 3147.421 -1534.904 92.387  2 0
                         AIC    SABIC       HQ      BIC    logLik    X2 df     p
mod_fullconstrain_1 3183.752 3194.094 3197.621 3219.493 -1583.876               
mod_scalar1_1       3182.196 3195.123 3199.532 3226.873 -1581.098 5.556  2 0.062
                         AIC    SABIC       HQ      BIC    logLik     X2 df     p
mod_fullconstrain_1 3183.752 3194.094 3197.621 3219.493 -1583.876                
mod_scalar2_1       3093.808 3109.321 3114.612 3147.421 -1534.904 97.943  4     0
mod_metric_1        3077.112 3097.796 3104.850 3148.595 -1522.556 24.696  4     0
mod_configural_1    3082.820 3113.846 3124.428 3190.045 -1517.410 10.292  8 0.245
                         AIC    SABIC       HQ      BIC    logLik      X2 df   p
mod_fullconstrain_1 3183.752 3194.094 3197.621 3219.493 -1583.876               
mod_scalar2_1       3093.808 3109.321 3114.612 3147.421 -1534.904  97.943  4   0
mod_metricb_1       3173.893 3194.577 3201.632 3245.377 -1570.947 -72.085  4 NaN
mod_configural_1    3082.820 3113.846 3124.428 3190.045 -1517.410 107.073  8   0
